The buzzing sounds like a stuck relay, i will look into the wiring and see if i can identify anything that may be relevant for this problem.

Answered by mhpautos (expert)
26,886 answers provided

re bmw 530d put new battery on car buzzing from boot have got the buzzing its coming from the ryder smart 7 bypass how do i stop it buzzing thanks

Response from andrew love
2 questions asked